The phrase "to disqualify an applicant" means that the person who is applying for something (like a job, competition, or program) is being deemed ineligible or not suitable for that particular opportunity. Full definition
(The inability to make a donation does not disqualify an applicant from consideration). (greendogfoundation.org)
These are factors that could automatically disqualify applicants from availing of loans from a bank or credit union. (800loanmart.com)
Our current definition is fairly open: we only disqualify applicants who have had solo, high profile museum exhibitions, are tenure track professors, or who have already received awards or accolades that are specifically for mid-career artists. (web.fawc.org)